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- A three-day ice accumulation could exceed a half inch exists over parts of central Texas and Arkansas.
- In the Dallas-Fort Worth area, a winter storm warning was put in place until 6 a.m. Wednesday.
- Wind chill warnings and advisories have been issued from Oregon to Wisconsin.
DENVER – Fifty million Americans were under winter weather watches and advisories Monday amid warnings of a “prolonged and potentially significant icing event” affecting at least 15 states.
A swath of the nation from Texas to Ohio and Tennessee was bracing for days of treacherous travel conditions as an arctic cold front swept down into the southern Plains and Mid-South, the National Weather Service said. Freezing rain totals could become significant across parts of central Texas, southwest Oklahoma and central Arkansas, the agency said.
“The interaction of an arctic air mass and moisture will set the stage for an expansive area of dangerous travel conditions early in the week,” National Weather Service meteorologist Craig Snell said. “Sleet and freezing rain accumulations are likely to create widespread hazardous travel conditions for several days in a row.”
Icy developments:
►A three-day ice accumulation could exceed a half inch over parts of central Texas and Arkansas. Parts of Tennessee could see more than a quarter inch of ice.
►In addition to the potentially hazardous travel conditions, scattered tree damage and power outages are possible, the weather service warned.
►In Maine, where temperatures are expected to dip as low as minus 14 degrees this week, thousands of residents will begin receiving energy cost-relief payments of $450.
►Monday’s forecast calls for heavy rain and flooding in large parts of the Hawaiian islands.
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Denver ties record for cold: ‘It’s brutal out there’
In Denver, the overnight low hit minus 10, tying the record set in 1985, according to the National Weather Service, which warned of wind chills down to minus 19 degrees at Denver International Airport on Monday, and minus 23 on the state’s eastern plains.
“It’s really brutal out there,” said Andrew Karras, a Denver city park ranger.
Like his colleagues, Karras was checking on unhoused people who had declined to move into emergency shelter. As estimated 2,000 people live unsheltered in Denver. While camping is city parks is illegal, rangers suspend enforcement in cold weather and instead focus on helping unhoused people with hats, gloves, blankets, snacks and handwarmers.
“We’re handing out a lot of handwarmers right now. It sounds like a bit of a Band-Aid, but they can help keep people’s fingers from freezing,” Karras said. “We don’t want anyone to die from the cold. That’s the most important thing right now.”
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Heavy snow in West, Great Lakes
Heavy snow was forecast over parts of the western Colorado mountains. Travel could be difficult at times for some of the highest mountain passes. Farther east, lake effect snow is likely downwind of the Great Lakes early this week. The heaviest amounts of over 6 inches are possible off Lake Superior and Lake Erie.
Snow was stretching lower than usual in the mountains of Southern California, and snow was falling Monday on Interstate 5 in Grapevine. The weather service said traffic was being escorted over the freeway because of hazardous conditions.
The low snow levels will likely cause travel problems Monday on Highway 14 and other major thoroughfares in parts of Los Angeles and Ventura counties, the weather service said.
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Cold front will sweep east
Periods of light snow are possible throughout the Interior Northeast and Mid-Atlantic as a cold front pushes through by Tuesday. The region then faces several days of temperatures well below average: Washington, D.C., will see a low of 15 degrees on Saturday; Philadelphia will drop to 10 degrees and Boston has minus 6 degrees to look forward to this weekend.
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Dallas-Fort Worth storm warning lasts into Wednesday
In the Dallas-Fort Worth area, a winter storm warning was put in place until 6 a.m. Wednesday. The weather service said mixed precipitation, primarily in the form of freezing rain and/or sleet, was expected. “Significant impacts” to travel may begin as early as Monday afternoon and continue through at least Tuesday night, the weather service said. Elevated surfaces such as bridges and overpasses will be the first to become icy, slick and hazardous as temperatures hover around or below freezing.
The weather service’s office in Fort Worth said it had received several reports of traffic accidents by 6 a.m. and repeatedly urged drivers to slow down, particularly on bridges and overpasses, which are prone to black ice.
Farther south in San Antonio, driving conditions were expected to resemble those of the Metroplex later in the day.
“Those in the most impacted areas should consider completing last minute travel plans before midday today,” the weather service office in San Antonio said. “Icy road conditions may deteriorate rapidly this afternoon.”
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Bitter cold blasts Midwest, Northwest
The cold air responsible for the icy forecast in the Mid-South also brought a frigid start to the workweek throughout the central U.S. and into some Western states, the weather service said. Temperatures were 20 to 30 degrees below average in some areas facing single-digit high temperatures from the central High Plains to the Upper Midwest on Monday.
“Gusty winds will also create dangerous wind chills, as low as 55 below zero in the northern Plains this morning,” the weather service said.
Wind chill warnings and advisories have been issued from Oregon to Wisconsin.
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